Here are a few flying tips I have learned along the way. I am, by no means, the best pilot. I do have a few things to offer the beginner. Here is a bonus tip: Target fixation. If you want to avoid crashing into something, don't look at it. You tend to fly exactly where you look.
Most of this video was flown in a parking lot. I practice in a dingy, dirty, parking lot. No surprises and few things to hit.
Download DRL's free Drone simulator here: https://thedroneracingleague.com/
Update: DRL is no longer free. There are many paid sims out there. DRL was the best for free.